Trolley



FIG. 1 is a right side view of a trolley showing a new design;

FIG. 2 is a left side view, thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front left perspective view thereof.

The wheels shown in broken lines throughout the drawing are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a trolley, as shown and described. 